<!DOCTYPE html>
<html lang="en" class="a-html-class">
<head>
  <meta charset="UTF-8" />
  <title>WebGL Demo Page</title>
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <link rel="stylesheet" href="a.css" />
  <link rel="stylesheet" href="b.css" />
  <script src="webgl-demo.js"></script>
  <script src="b.js"></script>
  <!-- extra HTML header content
       another line -->
  <!-- escaping is annoying -->
</head>
<body>
<!-- the actual page body -->
</body>
</html>
